Prepaid Expenses (Tables)

12 Months Ended

Dec. 31, 2015

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

Prepaid expenses were as follows:

	December 31,
	2015		2014
	(In thousands)
Prepaid inventories	$	1,493	$	4,468
Prepaid insurance and other	2,640		3,808
Prepaid expenses	$	4,133	$	8,276